1. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources College of Chemical Engineering Nanjing Forestry University Nanjing 210037 P.R. China
2. Oakwood Chemical, Inc. 730 Columbia Hwy. N Estill SC 29918 USA
3. Hamari Chemicals Ltd. 1-4-29 Kunijima, Higashi-Yodogawa-ku Osaka 533-0024 Japan
4. Departamento de Química Orgánica Universidad de Valencia 46100 Burjassot Valencia Spain
5. Department of Small Molecule Drug Discovery Bristol-Myers Squibb Research and Development, P.O. Box 4000 Princeton NJ 08543-4000 USA
6. Department of Organic Chemistry I Faculty of Chemistry University of the Basque Country UPV/EHU Paseo Manuel Lardizábal 3 20018 San Sebastián Spain
7. IKERBASQUE Basque Foundation for Science María Díaz de Haro 3, Plaza Bizkaia 48013 Bilbao Spain